2011-2012 (Freshman): Callan ran a season-best of 2:33.13 for 1000m at the Vermont/Maine/RPI meet, and earned his first collegiate victory in the 1000m at the Dartmouth Indoor Classic. Callan ran a best time of 4:21.77 for the mile at Boston University's Valentine's Invitational.

Before Dartmouth: Ran four years of cross country at Thacher High School in Ojai, Calif. ...Served as a team captain his senior season of XC...Honored with a spot on the First Team All-CIF Div. V Team in both his junior and senior seasons...Also played two seasons of varsity soccer and three seasons of varsity lacrosse at Thacher...Team captain of both the soccer and lacrosse teams along with the cross country team his final year of high school...A first-team all-conference player his senior soccer season.

Personal: Son of Clint and Pen, both lawyers...Born and raised in San Francisco...Has one brother and sister.